Earlier quoted context omitted.
It would e.g. take 33M users who agree to pay $5/mo for a Mozilla "support subscription" to collect $400M a year. Maybe I'm reading this wrong, but when I do the math (33M x 5 x 12) I get $1.98B. Maybe you meant $1/month?
I'm deeply disturbed of this normalization of software as a subscription service. I want the return of good old days when people could pay once for their software and use it in perpetuity.
This simply does not exist for any software that is internet connected.