At least, that’s what seems to me to be the logical conclusion of what the article espouses.
I’d guess that there are instances where the author would and would not agree the line is, but I also think that the subjectives of that line is where people might take issue with this article.
First, Islam is as diverse as any global religion. Some branches of it are far more liberal than others. There is no central authority.
Second, even if someone is a member of a conservative religion, it's not necessarily the case that they're an asshole or a bigot. Most people just want to live quietly in peace. Catholicism is another socially conservative religion, but most Catholics are pretty chill and normal. It's not particularly weird for a liberal to be friends with a Catholic.
If they're running around with a megaphone extolling the virtues of white supremacy and ethnic cleansing, that's a different matter entirely.