Earlier quoted context omitted.
Actually, we do want retail to be a great career. Lots of great careers pay little: Pre-K teachers usually make just over minimum wage in the US, despite needing a 2-year degree to do the job. But it is rewarding and fufilling. And everyone needs to shop. Retail isn't just interacting with people all day: You are filing shelves. Sometimes you are a pharmacist or a pharmacy tech. Sometimes you are doing payroll or man…
I do want retail to be rewarding and fulfilling, just not a smart career move that makes you lots of money. I want ambitious, motivated people becoming my coworkers and bosses, not doing retail for fun. I don't like interacting with people but it is way more cushy than the factory work I did for fifteen years. I guess you're right about not taking more intelligence or training, but it takes so much more physical stam…
Most folks don't do retail for fun. Those that do will also do a number of other part-time jobs for fun or whatever reason. Most folks working retail, though, are doing it to eat and pay rent. Sometimes having a flexible schedule is necessary. A great number of places have chances to move into management, sometimes moving out of poverty wages.
None of this means the folks aren't ambitious or motivated. You simply don't recognise it as such because they are doing what you consider to be a "lower" job or not doing enough to meet your personal criteria.