Plausible reason shelved....and it's not because of the anti-woke claims BS...
The writer is surmising (with a source) that this flick was canceled for tax reasons - that if it was closed down, Warner Brothers could re-coup the entire cost of the film. The writer also points out that the new head of WB is quite an asshole and has also ended the WB/Clint Eastwood relationship (https://www.worldofreel.com/blog/2022/8/n4qvmel3cbww1ntb3s3rkb7stmaxho).
https://www.worldofreel.com/blog/2022/8/o9bqgygmqkcv7ot56fw15nwda2my1c