Restaurants adding 20% gratuity on checks

I went to eat at Val’s the other night and the server was great (I’ve never had a bad experience there) when me and my buddy got the check, we went to split the bill and the server pointed out a 20% gratuity was already added. We didn’t pay attention and almost tipped another 20%. I was like, “ ohhh thanks for pointing that out so I don’t have to do math lol” I don’t think the server liked that. They weren’t mean or anything but if they didn’t point it out, we would have tipped 40-45%. I’m in the service industry so I tip well (20-25%) even if the service is not great, this service was fine. What I’m wondering is what do people think about restaurants automatically adding a 20% gratuity on checks? Is it a good idea? Does it give servers the ability to be lazy because they know they will already get a tip? If our server didn’t tell us they would have gotten a huge tip, like 45%. I think it’s sad restaurants have to do this because people have become notoriously cheap. Is this happening more and more? If so, are you told about it? I’m just curious what people think about it. Should we just do away with tipping culture and maybe add a buck or two to meals so servers can just make enough to not have to rely on tips? Thanks for reading. Happy Thursday! 😊