It may not necessarily be "less tolerance" but young people are feeling less comfortable around LGBTQ people:
The young people (age 18-34 bracket) are supposed to be the most tolerant of the Pride movement but it seems, to me anyway, the Pride movement went wrong somewhere. Now, they're weirding out their closest allies.
Full Article:
https://www.usatoday.com/story/news...-millennials-decline-glaad-survey/1503758001/
There's a breakdown in the article, showing the rising discomfort within every age group towards the LGBTQ over the last 3 years. Of course, the president of GLAAD thinks it must be all that "hate speech" swaying the opinion of the young people (as if "hate speech" for the LGBTQ didn't exist decades ago).