4B has all its tricks & traps to enforce it, decent range, and tracking on Maxi's strong side. Still... I don't think much of it as a mid-range poke. 2B and 33K fill that niche a bit better. (I'll lay out some reasoning for this if you're interested.)
3Ag is the most reliable way catch weak side movement. It sucks, but it's all we got!
No need to lay reasoning, I agree with 2B and 33K being better mid range pokes. I've abused 2B since the SC2 days, 33K since the SC3 days. Still, I'm not really talking about 4B [G] as just a poke, but as kind of a feint almost.....with the purpose of attacking after again even on block. Sure 4B [G] is unsafe but because of the scare of 4BB some people freeze after the 4B, either waiting to react to the LO move Maxi will do or even GI thinking they'll do 4BB. It's for that reason why using 4B to get into LI mixups works so well, because people freeze at that moment giving you time to shift from 4B into LI.
HRD: My little brother said it's cool if I add you on his account so I'll do that. Whenever you see his account online if he's playing anything other than SC4 it's him. If it's SC4 playing than it's a 99.9% chance it's me, so shoot me an invite. I don't really like online games as practice, but since our connection is a smooth 5 bars it's ok. And yes as you can tell from folks like Kvasir and Hotnikkelz, moves like 33K, 1B, 33A are all must use moves for Maxi. I also love 66K for it's low - frames on block, even though it's not a frame trap like it used to be in SC3.
I couldn't ever find any way to justify its use, but if 44A can be hit confirmed I'll look into it again. Are you sure you are doing it on reaction and not just figuring it out by reading the situation?
I also TRY to use 44AB but like the way you said Kvasir, I'll try to read the situation. I don't think I'm fast enough to see if the 44A part hit and press B. Instead I try to look and see if I evaded something with the 44A backdash/techcrouch and if I did I'll just hit B expecting to either get hit out of 44A or land a CH with 44AB. If they look like they're blocking I'll just 44A and stop. Sometimes like bubbles said, despite 44A being unsafe you can still get away safely because they're expecting the B part to come out.
I was gonna call up Uberleet and ask him to get some offline mirrors with Maxi and try to record them so I can get tips on things I should use more with Maxi. I know right off the bat that people will tell me to use the B+K BBBA JF more but I for the life of me can't get it down. Meanwhile uberleet has that move down to a science. Anyhow I look forward to getting more tips on how to make Maxi even more tricky. This guy might be low tier but at least we can take advantage of anyone who's overlooked how to fight him. That is unless they are using a character with such great offense that they don't need to know how to fight him, lol.