

There are so many ways they can put the squeeze on. Session time limit, throttle fraffic, restrict usage times etc.
Then you can sell a monthly VPN+ subscription and offer revisiting lifetime users 2 years free if they move to the new “better” service.
I’m not saying I agree with any of this, but it’s certainly not a new strategy. They’ve nothing to lose. Those who are pissed off will leave, you already have their money and those who want to stay will pay up.
The VPN company can have their cake and eat it
I once got locked out of an HP printer because it chopped off the last few characters of a password. Only figured it out because somebody had made a comment online about password length