Replace this with "calculated observing" and you'll enjoy playing crewmate much more I think. The walking around is PART of the deception, and your observations of others can be just as useful as catching someone in the act.
"Orange just said he has 2 tasks left and they are both in Navigation, but in round 1 I saw orange standing around in navigation and it didn't look like he was doing any tasks."
"I saw Blue do a Download task, but he didn't go do the Upload task in Admin when the next round started".
"Yellow was standing in front of Simon Says (memory game) like he was doing it, but then he walked away after like 7 seconds. Simon says is much longer than that!"
"Purple was standing at Card Swipe for 5 seconds, but Card Swipe is a common task, and we don't have that task this round"
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Yes when you are brand new you should just do tasks to learn them. But then tasks become second nature and your knowledge of tasks becomes ammunition for your observations to paint a damning picture of someone who isn't doing them or is pretending to do them wrong.
I mean a lot of that is random metagaming which reminds me of the oll time stamp argument in mafia. Needing to memorize exactly how long tasks should take so I can fake them or spot faking them better sounds like torture.
