Welcome and cards on the table. I think the negative reactions you’re getting come from a combination of things.
First, this post fits a format for posts that usually don’t get well-received here. And I’m not trying to be mean, I’m just calling it by how it looks. New poster comes in and posts a drastic change to gameplay that doesn’t seem to demonstrate a fundamental grasp of the game. Now, the reason this seems this way is that you seem to be ignoring why lockouts exist in the first place. In the original Killer Instinct games, there was no lockout because breakers were difficult to execute. The current Killer Instinct incorporates lockouts as a check and balance. Breakers are easier to execute and it is also easier to read what your opponent is doing with the combo system that is used. It makes jumping in as a new player fairly accessible due to the easy nature of opener-stuff-ender while preserving incredible depth with things like counter breakers, manuals, etc.
Thus with the basics of the game easier to understand and there being no downside to attempt a breaker (such as a meter cost), a lockout is necessary to balance that aspect. Just as proper reads are rewarded and bad reads are punished when initiating offense, the same is true on defense this way. Because of this, lockouts seem like a no-brainer and glossing over this necessity does make it look like you don’t quite understand why they’re there.
Second, getting rid of lockouts for any reason would hurt the game in the long run. People aren’t going to be more interested just because lockouts are easier. Lockouts being easier would invariably make it harder for newbies and casuals because then they get broken by better players easier as well. Except their combo potential won’t be optimized, they won’t know set ups or match ups and they won’t know how to counter break, like the people who they will be facing. I understand why you suggested these changes, but they ultimately won’t make it more appealing. Any aspect of the game’s defense that is made easier for casuals will automatically benefit more experienced players more.
Last, I’m there with you. I want this game to last as long as it can because I got into it late and it is just wonderful. I love how it’s one of the only games that never lets you rest. On offense, getting combo’ed, or whatever is happening, you have to be thinking and participating fully. From match start to match end, you are going full steam. I, and I think all of us, can appreciate what you’re trying to do. But it needs to be done the right way. Tackling something as necessary and balanced as the lockouts without offering a true alternative doesn’t really push that goal forward. Shortening or removing lockouts will make breakers much too strong. Shortening combos will extend matches and affect lockouts negatively, but won’t really promote the usefulness of some tools, set ups and tactics if super short, low damage combos is the only game in town
In summation, welcome. Much love. None of us mind suggestions, but you should be prepared if they seem a little ill conceived. I found this one out recently myself in humbling fashion.