A command name is readily viewed as a verb. The verb form of “hump” has problematic connotations. There is no camel-related verb form for the word–least none that’s well known in English.
Even if the command names didn’t suggest verbs, and even in a camel context, some people would hear the other connotation routinely, I believe. (“Caml hump” doesn’t work that way because “camel” is explicit in the phrase, and “camel hump” is a common phrase used to refer to, of course, the humps on camels’ backs.)