Coincidence is likely to just be that, a coincidence.
But let's play the hypothetical game. What was the biggest rumour this week? Chelsea moving for McKenna or more broadly, McKenna wanting a big job. In the space of a few days we've gone from speculation about ETH job being on a knife edge to "100% he's sacked" and "normal" publications like The Guardian running with definite story's about it.
I think if I was playing the "most likely" scenario, INEOS decided to take a punt on McKenna when it became known he was not 100% sticking with Ipswich even in the PL. The Chelsea stuff seemingly throwing even more panic into the decision making. I think, if I was to guess, it's going to be McKenna just based on what has happened this week. I think Tuchel may have been the "interim" favourite before this, but there's just something about the McKenna rumours and how this has played out. I could be dead wrong, but there's just a feeling.