I use Windscribe. I initially used it because the free version which gives you 10GB per month was enough for me. Then there was a deal on a lifetime subscription ages ago that I got for like $15.
If anyone wants a year subscription to Speedify VPN, DM me and I'll get you a key I got in a Humble Bundle years ago that I never used.
It's just that it's a random company. And they have a free tier which is a red flag. Use well-known reputable businesses when your privacy really matters
They are no more or less reputable than more well known providers. Which providers are you comparing it to? Please provide some sort of source for what you are saying.