No. It's not. It's especially not because nobody's categorizing anybody. People categorize themselves. Anyone can identify as they'd like.

Nice try though.

Here is some further reading material from LGBTQ and All for you to peruse at your leisure.

https://www.lgbtqandall.com/heteroflexibility-what-does-it-mean-to-be-heteroflexible/#:~:text=To%20break%20it%20down%20a%20little%20bit%2C%20heteroflexible,are%20categorized%20as%20part%20of%20the%20LGBTQIA%2B%20community.