Firstly, lol at the title.
Secondly, Austin's neck injury hindered his technical ability when he was a main eventer. HHH was a great in ring worker in 2000, and has an impressive match resume to back it up. Granted, if you look at his opponents:
1) Foley... a classic street fight and an excellent Cell match... however Foley has also had amazing street fights/hardcore matches against Orton and Edge, so even though HHH's match with Foley was better than there's, it's still telling that Foley works magic in these type of matches.
2) Rock... a guy HHH has feuded with and shown amazing chemistry with prior to their 2000 feud. Even though Rock wasn't the strongest in ring worker, the two guys always 'clicked'. From their Summerslam 1998 ladder match, to their Ironman match.
3) Jericho... Jericho is a guy, who has always been an excellent all around talent, and in ring talent isn't excluded. HHH had an excellent LMS match, one of the best if not the best LMS match with Jericho, but yeah... it was with Jericho.
4) Chris Benoit... arguably the best technical wrestler of all time... nuff said.
There was also Kurt Angle, although I wouldn't put any of the HHH/Kurt matches on the level of the matches the guys above had with HHH. They had some very good matches I recall, but nothing stands out tbh.
Not to take anything away from HHH, because when you have amazing matches at nearly every PPV for a year, you're doing something right. And hell, you could maybe stretch that to his injury in 2001 as he had a classic with Austin in 3SOH, a great WM match with Taker, and an excellent tag match on the night he was injured, and that's just off the top of my head.
HHH's quad injury really fucked him up though. After his quad injury, in the last 9 years, the only classic matches I remember were vs. HBK Summerslam 2002, vs. HBK/Benoit WM20 (although tbh, I give HBK and Benoit a lot more credit for this match than HHH) vs. Batista HIAC, vs. Cena NoC 2008, vs. Jeff Hardy No Mercy 2008. None of them I'd ever consider 5 stars , but they were all excellent matches. Besides those though, he's had some good-great matches here and there, but his quad injuries have severely crippled his in ring work from 2000, when he was a great in ring worker. He's still been good, besides in 2002-2003 when he was pretty poor all around, but I don't know looking back at his whole career if I'd consider him a "great" technical wrestler, not based on only a year and a half being great, and the rest of the time being good/bad.
Austin I don't know a lot as it relates to his pre-neck injury as far as matches go, but supposedly he was amazing. After he still did well as a brawler, but he definitely wasn't a great technical wrestler then. His 2001 run though was awesome.