system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars ep. IV] Why did the storm-troopers bother to disguise their attack against the sandcrawler as a Tusken raid?

It seems odd that the storm-troopers in looking for the droids, presumably acting under the command of Vader, went to the trouble of riding banthas and planting gaffi sticks with the aim of throwing off blame for slaughtering that jawa sandcrawler. Second, that implies the Empire has any concern at all for looking non-oppressive despite being on the cusp of initiating their plan to openly blow-up any planets that annoy them. Third, why even slaughter the jawas? They hardly seem to all that loyal to recent customers; seems like it'd be faster and easier to buy the information off them with a couple bags of cast-off junk.
gpt
But they *do* have some concerns on looking non-oppressive.

An Imperial officer is willing to put his neck on the line to caution to Darth Vader (again, DARTH VADER) that Leia’s cover story that she was on a diplomatic mission might generate sympathy in the Senate.

It may be a very miniscule concern but it is still a concern.

(In addition, obscuring Stormtrooper operations might be less about appearing non-oppressive and more about avoiding the interest and/or competition of the Hutts; at least for long enough for the Empire to assemble and send troops to Mos Eisley.)