Rulebook says you must make an attempt to avoid the pitch. If a player chooses to take the hit, it's on them. The coach should not dictate that, imho.
In USSSA that's definitely not the case. Page 4 of Clarification and Interpretation Topics (can you believe that there are actually 2 rulebooks in Utrip used to explain the "main" rulebook?)....
"The batter does not have to make an effort to avoid ball. However the batter can not move to get hit by a ball.
I'm not sure about NSA, ASA. or PGF though.