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Sajam and @
Joker8417 hit the nail on the head. In injustice, the walk speed and moves stay active for longer, making whiff punishing difficult at times, although still very much possible.
Still, some of the concepts in the vid can be applied to injustice. For example, Jupiter and Rico Suave throw out a lot of
preemptive d1's to punish dash in attempts. This however can leave you open to
jump in attacks, etc. If you look to much for the jump in, you opponent can
dash in or walk in to close. You can stuff dash in's with
quick moves, but this can lead to a free jump in or whiff punish (it's a cycle etc.). Finding the right balance, especially in competitive play, takes a lot of skill and concentration. Once you see it more in action, it starts to make a lot of sense, and it's easier to adjust to your opponents tactics.
Mind you that there are character's in injustice that don't have to play much a neutral game if any, depending if they have meter or not. Other characters are very limited on what they can and can't whiff punish. Then of course you have interractables as well. You really have to go into practice mode and see what is whiff punishable on reaction, or what can beat out preemptively, and the range you need to be at to whiff punish or beat out the move.
Still, these concepts vary from game to game. For example, in tekken JDCR, (korean player) is given so much respect at times in the neutral game he can practically wave dash in his opponents face a good 5 times, knowing they won't do anything or are too afraid to press a button (disrespecting someone's space).
Overall, it's a really interesting concept and there's more to it than just pokes, walking back and forth, and throwing out moves. I plan on getting USF4, so just wanted to post this just in case anyone was interested. I also feel this can also prove really helpful in KI as well, which has a more traditional footsie game to SF4 in my opinion.