You also couldn't push wardens with flowing water in snapshot 22w12a. But when the official update came out, you can now push wardens with flowing water.
MC-253853
Warden can be pushed with flowing water
Resolved
Duplicate
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We're tracking this issue as MC-250045, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Won't Fix, which means this is considered a bug but won't be fixed. The description of that ticket or the comments might explain the rationale. Please do not leave a comment on the linked ticket.
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