It's not an entirely unreasonable assumption given that the manufacturers appear to have fabricated and mis-reported the test results and the privatised body responsible for checking this appears to have waved the results through.
In my view the fire service are nowhere near the top of the list...
An excellent summary given in this article.
https://www.theguardian.com/commentisfree/article/2024/sep/04/grenfell-is-simply-explained-firms-chased-profits-ministers-sat-on-their-hands-innocents-paid-with-their-lives
The state stepped back, corporate greed stepped in, innocent people died