When you set out on a mission driven by principles - you can rightfully expect people to be very wary when you abandon such principles in chase of a dollar.
Especially so given Firefox is a browser whose popularity at the current time extends from it's ability to support addons that block/reject many forms of internet malware (ads inclusive).
Not just the visibility of such malware, but any signals such malware originates.
Any alt mission that aims to bolster such signals is in opposition.