They should get credit for their effort, because I know no one is intentionally trying to fail. But if you are flipping coins, or playing some other chance-based games, you can get anomalous results such as seen above, with a string of low-offensive output that just happens to scratch across a run. I don't believe baseball is anything like coin-flipping, but you can use probability methods to make sense of a lot in the game. Neither do I think the Twins hitters have a mystical ability to Try Real Hard when facing a shutout and get that all-important tally across the plate to make the final score 5-1. They try real hard all the time - for all the good it does them in many of these cases. The chips fall where they may and the spreadsheets of results are not tidy.
As for sequencing... I did a bit of checking, details which I won't bore you with except in summary, to say, yep, sequencing seems the likeliest cause. OPS generally correlates very strongly with run scoring, but even at a team level it takes a long time for it not to be "small sample." Right now the Twins are scoring runs at a much higher rate per game than last season, even with OPS still in that same range as last year - while at the same time, compared to two seasons ago they're scoring at about the same rate but based on a much lower OPS. IOW the last two seasons line up like someone might expect, OPS to R/G, while this year's an outlier so far.
Meanwhile league-wide the correlation remains steady across the three seasons. This season's runs per game across the majors is up a tiny, tiny bit, on slightly lower aggregate OPS - perhaps due entirely to the anomaly in scoring by our Twins.
Asking whether productive sequencing can persist amounts to the "does clutch hitting exist?" argument, and I don't want to provoke a lengthy back and forth but will put my chips on the "not likely to persist long-term" side. Maybe the hitting coaches found the magic elixir but I doubt it. Even if sequencing goes back to normal for the rest of the season, 2026 may end up with slightly high run scoring compared to similar other team OPSes - I don't believe "luck" (which I think is the wrong term to use anyway) evens out, merely regresses to some mean eventually.
Wallner, I believe, is a different story than this team-wide sequencing effect for the Twins. I think opposing pitchers know how to pitch to him. Bases empty, or even with runners but a large lead (or deficit), he can't really hurt them. So they give him pitches that give him a chance to park one over the fence but also a greater chance of an out, when he can't hurt them, and his stats (which he's NOT intentionally padding) go up in those cases, and make you think he is producing when it counts. But, by this theory, he somehow can't compensate enough for the different way he's pitched when the chips are down. (I'm not enough of a scout or pitching/hitting coach to describe what the pitchers are doing, or what Wallner is failing to do.) Again, that's a lengthy discussion that I don't plan to defend again, merely putting down explicitly as my view for the sake of this little dialog.
Good stuff.