I agree. Trek is science-fiction so it has technobabble and fake science. But it should still follow some common sense. EV suits that only filter known chemicals, is a bad EV suit. It literally does not do what an EV suit is supposed to do. So that makes no sense. Not to mention that Trek is always encountering new particles on strange new worlds. So having an EV suit that does not protect you against unknown substances is super dumb. So yes, that was a dumb moment in today's episode.
Even the space suits on VOY weren't this dumb.
The whole point of a space suit is to completely isolate the wearer from the environment so that person can survive in it... so whoever thought of that nonsense that unknown contaminants don't get filtered out is REALLY stupid.
However, Prodigy did have Jankom Pog wear a suit which didn't prevent him from getting in touch with the spores on the Hirogen planet... so there's that (although the spores may have entered the ship when the shuttlebay doors opened and he might not have put the helmet on fast enough - so there's that).
I can only really recall one other instance where Prodigy messed up... that was when the show made it clear the Protostar could in fact contact Starfleet, so it never made sense that fter deciding to enact their rescue mission, Dal didn't send a message to Starfleet either way to inform them of the whole situation - apart from that (and maybe the Hirogen planet spores), the show has been pretty impecable with consistency and not ignoring obvious things.
That said, Dyson Rings? We finally see another civilization that made the sensible steps to harness their own star (which has massive amount of power)... and it only gets a few seconds mention?
Sigh.
That's what the UFP was supposed to be doing in the 24th century and should have encompassed most of the Milky Way (or most stars in UFP space - aka most G-Type stars and Blue giants for example) in Dyson Swarms or rings... and been on the technological level of 10-c (or far more advanced) by the 32nd century.
Makes sense that every other species in the galaxy/universe would be showcased as advancing but that UFP manages to NOT do that.
Other than that... the show had some high points in character interaction that did kinda work here (which is actually a first).
Adira was better handled... as was her interaction with Detmer (and Detmer too).
We also get to know more about Culber's emotional state. At the end of the episode, I got the sensation as if he will leave Discovery for a while.