Communism is not “everyone puts their resources in a big pile and we re-distribute them evenly.” Marx blasted the “equalitarians” who wished to do so. Communism is about collectively running production to fulfill the needs of the people. Your random anecdote can best be countered by asking why managers of single payer healthcare institutions aren’t just taking all of the surgery for themselves, or why post office managers aren’t shipping all of their own packages instead of others.

Now, Social programs are not “socialism” themselves, but these are quick examples.