Even if it made your car more expensive? And if there were no options to buy a car without it? And suppose this happened if GM had a monopoly, or a near monopoly?
That would be fair to Garmin, Harman Kardon, VDO Dayton, etc?
That would be fair to consumers?
de gustibus et coloribus non est disputandum -- Wiktionary
The problem here is that if Opera wants to be used in the "applications" market or whatever their excuse is they are inherently playing ball with Windows and as such have to accept the rules and regulations of said platform. Another perspective would be to imagine that IKEA was to determine what kind of forks you use when you eat.
This is nothing but another one of the EU protectionist BS of trying to promote EU industries vs foreign companies. It has nothing to do with monopoly or anything.