There are many reasons actually.
The Emergence of Conservatives
On the macro scale, the world had a very long reign of libertarians for decades. That tip of the scale is shifting now. We're seeing far right making massive imposition in the mainstream.
USA, many parts of Europe --they have conservative leaders. The liberal values in Australia and even Canada are facing big threats from radical nationalists.
And the conservative views in the non-Islamic world on Islam is a secret to none. In the garb of "security" and "nationalism", they believe Muslims to be a big threat to society.
(Courtesy: Al Jazeera)
The Influence of Right-Wing Media
The mainstream media is changing. While the internet is still dominated by news outlets and shows that tout liberal views, the news channels and legacy media in western countries have changed significantly in recent times.
We're seeing extreme division in ideologues with far-right views more unapologetic than ever. This has attracted, engaged and even radicalized many viewers. So, media has played a big role in creating a perception that Muslims are a threat to peace and welfare.
(Courtesy: Truth Control)
The Sense of Political Correctness
"Political correctness" has become a major point of conversations in the west. In simple words, it means taking up stands and expressions so to appease all, even if it means suppressing the truth.
The names like Jordan Peterson and Ben Shapiro has championed this cause, bringing many youths behind this idea.
Now there exist a prevalence thought that a large part of what's happening in the mainstream is out of political correctness.
Liberals never openly accredited Islam for terrorist attacks, even when terrorists would contend their attack as Islam's teachings. Their rhetoric was "terrorism has no religion". The conservatives found it hypocritical, labeling it "political correctness".
So, now the people who are fascinated and repelled to political correctness that does indeed exist in society predominated by the liberals, they are of the idea that Muslims are a threat.
(Courtesy: New English Times)
The Inaction From The Muslim Community
99 percent of Muslims around the world do not support terrorism. And they want peace. And they want to live with everyone happily… Just like any sane human.
However, they have failed to strongly stand against terrorism.
As a group whose name and identity is being used to kill thousands, they should have been at the forefront in the war against terrorists. But that's not exactly the case. They should mass protest against such injustices. They should clarify the parts of the Quran that terrorists use to justify their acts. They should be more vocal against the threat that terrorism poses to the world.
But that's not happening. Just occasionally denouncing the terror acts and Tweeting "terrorism has no religion" is NOT sufficient.
(Courtesy: New York Times)
Conclusion
These are some big reasons why West considers Islam as a threat to social cohesion and national security.
Of course, the topic is quite complex with many dynamics to it. There certainly are many other reasons.
The hate groups, the people with bigoted ideas, racism, geopolitical reasons, economical reasons… there are many other reasons why Muslims around the world are ridiculed by a growing percentage of people.
How will it end, where will it end, how things will get better -- we have no answers. I genuinely believe that instead of focusing on the bad of conservatives, Liberals must instead self-introspect and first fix their own flaws.
We don’t need liberal leadership. We need people who are rational and yet cooperative, pacifist yet very strong. And we're far from finding such people in far right and left.