My experience was really positive to me though others might not think so!
I just took to it like a duck to water, possibly by keeping my expectations at floor level at all times. Essentially I approached it like being at a giant global nightclub; most people there are a bit pissed, unattractive, incompatible; it's still possible to have a lot of chats, flirting and fun, you've got a reasonable chance of a shag, relationships do happen but not while you're in the club.
Having a teenager still at home meant that WhatsApp was perfect for me. I only wanted sex for some time, so only went on hookup apps for quite a bit. There are a surprising number of guys on those who aren't averse to a relationship but that wasn't what I wanted. I met lots of 'fun for a few days' people. But I enjoyed it and in fact had some really good conversations and connections, even if short. Also some of the best sex I've ever had. Got some really good book and film recommendations too....
Then I decided it was time for a relationship and went on the dating apps... I do get that it can be depressing but I met dp very quickly. I think by that time I was so used to sorting through online stuff that I was genuinely quite efficient at it. I'd learned it was pointless for me to chat to people who can't spell or can't use words effectively because it bothers me. Any hint of anger, however brief (particularly the 'are there any real people on here' types) and I'm not interested. It is pretty pointless meeting someone you know for sure is not going to attract you, but you don't have to be actively attracted. Meet quickly or not at all, and no money involved in dates for some time. No exclusives until I choose to make it so, and that means he's allowed to see as many people as he likes too.
Obviously I think so because it works for me, but OLD means I actually got to choose a partner. I've never been approached for a date in real life (ok, once aged 21). And yet I'm a pretty good person to be in a relationship with.