Are we really arguing that the most specific statement and power usage in the entire series is wrong because Horikoshi, who we know doesn’t do sizes 1:1 accurately, ever, especially with large constructs, didn’t draw Shigaraki and Star as literal dots on paper?
So even you said the sizes are inconsistent so why use the absolute high end? Again the jets make for a much better comparison than the giant thing that has shown to be 20 times less than what she is supposed to be. Don't y'all realise that missiles being 6C makes zero sense at all? And a nomu scaling to that even less
The “absolute high end” is what is stated and utilized by her power. Can you give a reason why her power would not create a construct 1000x her size.
How big are the jets then? Cause last I checked the jets are also inconsistent. One shot of the jets has Star being about 1/4th the width of it, and another has her being bigger than that. Another has her being smaller. So your point of reference is also inconsistent.
If there are a ton of inconsistencies, you use the one that makes the most sense. Star is consistently bigger than Shigaraki. So upscaling her, something her own power literally and specifically does, is the most direct way.
The inconsistencies exist regardless of what method is used, using your “size comparisons” is worthless since it will be the exact same problems.
It is a limitation of the Medium. Manga will never be 1:1 even with statements, not because in-verse there’s a problem, but because drawing it is stupid. Horikoshi has employed that several times.
Check Mount Lady’s height and tell me she’s always drawn to scale.