Why is it reasonable? I understand that it would be financially reasonable for a commercial endeavour, but isn't Firefox more like an open source project?
Debian supports MIPS and SPARC still. Last I checked OpenSSL is kept buildable on OpenVMS. Surely there must be a handful of people out there who cares about good old x86?
If your numbers are correct, there are millions if not tens of millions of Firefox users on 32-bit. If none of them are willing to keep Firefox buildable, there must be something more to it.
Debian supports MIPS and SPARC still. Last I checked OpenSSL is kept buildable on OpenVMS. Surely there must be a handful of people out there who cares about good old x86?
If your numbers are correct, there are millions if not tens of millions of Firefox users on 32-bit. If none of them are willing to keep Firefox buildable, there must be something more to it.