Is it possible? Yes. Is it ethical? Depends on the goal IMO. One could well argue that making a site that works better with Firefox or other libre browsers and puts some roadblocks on Chrome is ethical as carrying out a defensive measure, not only for you but also for those around you.
Is it possible? Yes. Is it ethical? Depends on the goal IMO. One could well argue that making a site that works better with Firefox or other libre browsers and puts some roadblocks on Chrome is ethical as carrying out a defensive measure, not only for you but also for those around you.