OK, you find Piru, myself - and I suppose everyone else who is biased towards MorphOS - to be repulsive, disgusting, distasteful, vile, foul, loathsome, etc (all synonyms to "obnoxious",......
The word obnoxious means objectionable or irritating, not the list of synonyms you've put up. Its a long bow to relate synonyms of a word as someone's intent. Kesa's POV is just another POV to which he's entitled. As long as he's not breaking posting guidelines.
I respect Piru and his knowledge, but quite often confident, direct people can be perceived as arrogant or objectionable....
Viva la difference. If we were all the same the world would be a boring place.