Do you have any sources on this? Would be interesting to read that perspective. Coincidentally read an article [0] on the bombings of Hamburg 2 days ago. As far as I know it was the tactic the US and UK employed until the very end of the war. Dresden was 2-3 months before the end of the war. The bombing of Hamburg was 2 years earlier.
[0] https://www.bbc.com/news/uk-england-43546839