I think it's great! The whole world is opened up to you! You have to be selective and use it with discernment; not just idle away hours using it passively. But for me, it's really useful, for my job and my hobbies and interests. I get lots of inspiration and ideas from it. I enjoy it and engage with it much more actively than I would slumped in front of Netflix for example. And I have a huge extended family who live in many different countries so it's brilliant to keep in touch with them all.
This isn't the sort of stuff I look at, but I see some of the content that my dds are looking at, and I think at their age you need to be quite grounded not to be sucked in to the constant "the best way to eat, the best interiors, the best pastry, the best make up, the best clothes, the best exercise, the best way to communicate". If I was young I might fall for it, and constantly think I wasn't good enough, but happily I an old crone with enough experience of real life to know that 80% of these extremes are nonsense and you are better relying on common sense and sticking to a middle path.
What a joy it is to be able to peak behind the scenes at the Met Opera or watch a skilled oil painter sketch out a portrait and then try it yourself, or learn about new travel destinations. Just today I have been researching interesting places to visit for a late spring holiday. And putting out feelers to family members en route.
Sm is just a means to an end and it's the way you use it and your objectives when using it that count. It's just one more powerful entity like alcohol, sex and the sea, all of which can be terrific, or completely ruin your life, depending on how you use them.