It could also be their outdated picture of "mainstream" culture is a fossil embedded in the self-justifications of the current mainstream culture.
Some people will forever pretend current-year is the 1950s, because, not because they want to live in the 50s, but because they see themselves as the people who are abolishing it.
Despite the fact these current cultural trends and related ideologies are very much dominant on every major western social media platform and even more so among dominant traditional media platforms (and their executives and journalists). Yet they still pretend it's not the default culture in the west.
The existence of pushback from significant/influential parts of the population != you're not the dominant mainstream culture.
My aunt went from burning American flags and marching in support of interracial marriage and civil rights to clutching her pearls about Marilyn Manson ripping up bibles and gay marriage becoming legal, but even as she supports censorship and state mandated injustice, she will always view herself as the protestor that fought against censorship and state mandated injustice.
Even I find myself occasionally saying things about zoomers that sounds just like stuff my dad used to say about me and it’s a lot easier to rationalize it as “no, TikTok is actually hurting kid’s attention spans, it’s different this time” than admit that I might be acting just as silly as he was when he said exactly the same thing about my Game Boy.
There isnt really a default culture across america the way you are insisting. The place is fucking huge.
Our national institutions are very accepting of LGBTQ as well as the federal government. Looking at LGBTQ equality by state, https://www.lgbtmap.org/equality-maps the majority of the country, 29 states are fair or pro LGBTQ vs 21 that have negative policy or low equality.
Additionally, 71% of people support same-sexy marriages https://news.gallup.com/poll/393197/same-sex-marriage-suppor...
Is it still counterculture when it is accepted and embraced by the overwhelming majority of citizens, education and cultural institutions, and protected by laws in the majority of the country?