Yes, to bypass my provider throttling my data & network speeds.
Also anytime I'm on a public network, it's to protect my information. People think a man in the middle attack is way more complicated than it actually is...any script kiddy can log everything you do on that McDonald's or Starbucks wifi with about 5 minutes of googling...
I use it for mainly blocking my ISP from using certain websites, Before i used to watch a few tv shows ect then all of a sudden they decided to start blocking certain sites, i use it predominantly for that.
I also have a vps setup for all of my gold mules , i personally dont play runescape on a VPN and wouldnt unless requested by a customer, surprisingly they can lower ping for certain activities however but i have a decent home based connection
Been using Private Internet Access (PIA) for years. Even with PIA active, my ping to any USEast/Central server tops at ~80ms, which is plenty fast to game/stream video on, so I typically leave it on 24/7.