I feel like that won't be the case. If they are coming back until 2025 and there is another upgrade on the engine that they could do, then they will probably do it as well. I am not saying that they will put in a ton of cash into building a better one, but if the only thing they will do is press the CNC machine's buttons then red bull could have done that without the need of Honda anyway, so if they came back then there must be some other reason that would be logical for them to comeback. That is all the simplest thinking really, just the fact that "if they won't improve it, then they are not needed but if they came back then they are needed so they must be improving" that's literally all that I can think of and it sounds enough.