We've mostly burnt the bridge you used to get there.
In the 90s BBS's, IRC and even ICQ had sites to connect people where people would list interests etc, people had ICQ or other icons on their home page to connect and just randomly chat. BBS's and interest groups would have meet ups and yearly BBQs etc. There was an openness, perhaps a little naivety, to connecting with strangers who would eventually become close friends. There was a special sort of novelty being in a conversation with 3 people from all around the globe at the same time.
Now it seems to me much more about connecting up your existing networks. Friends on Facebook or whichever chat program, but not much for random new connections. Meetups are rarer too unless you've joined a local Facebook cycling group or similar. People aren't as open to connecting with the unknown as it's probably a scammer/spammer etc.
I can understand why my kid's generation might feel it's more difficult now. Especially if they don't have much in the way of existing networks.