is giving out free E+ or exit rows to non-1P/1K whenever there are plenty of other seats consistent with rules? but it happens a lot though.

is flirting with an agent to get a free upgrade on a relatively empty F cabin being consistent? it happens a lot though.

there are tons of other minor inconsistencies in service - most of which doesnt really bother anyone.

I don't see why I can't politely ask. I usually fly with zero checked luggage anyway - so its not like I'm a consistent luggage/cost burden to UA.