I wouldn't categorize myself as agorophobic, as I DO enjoy my time spent outside as long as I'm not in crowds or socializing with more than a handful of people, but it definitely got worse after covid.
Home is where what little stuff I do have is, and there's nobody there that I dislike or dislikes me. Outside is increasingly hostile for humans with climate change, and the likelihood that I might get shot over my political stances because a neighbor thinks I might have different political views has never been higher.
So yeah, I don't go out as much either and covid was definitely the tipping point of "I don't go out much anymore"
The moment I heard someone say "we cannot allow Iran to have nuclear weapons" I immediately thought of the Back to the Future scene where Marty goes "Hey I've seen this one before!"