I don’t recall Lucy wearing sexuality on her sleeve in the books. And Katniss doesn’t give off asexual vibes. She was a teenager under a lot of stress…
I hate to break it to you, but people have been taking pictures and recording themselves at concerts since the late 2000s. Tik tok has nothing to do with this.
The only person holding Troy back was Troy himself. He spent 3 movies dazed and confused about his life and future while everyone else was getting their stuff together. Gabriella made a smart move to worry about her and let him figure things out.