Pat Tillman went through boot camp. He had to pass a PT test and clear medical for Ranger School. Then he had to go through all the schools Green Berets go through.
"The message" you keep spouting isn't connecting to the COVID Vax.
David Carle had a heart condition that was caught at DU that ended his career, and it wasn't caused by "the message".
If "the message" was true he should have had issues in the last 4 years. Athletes have died from heart issues for years before "the message".
Also, from a Navy Seal Senior Chief "We see guys that are D1 level athletes that can't make it through training while we have a kid off the farm make BUD/s look easy".