“Work ethic” for most wage slaves, is just being a good subservient worker bee that does whatever the boss tells them. It’s a ridiculously vague term and your definition is not at all common sense. That’s why I explicitly specified “to your colleagues”.
loyalty and respect to your team doesn’t mean sticking around in that position. It just means not screwing them by slacking off (when the work would fall on them) or snitching or scabbing etc
All a community like this needs is one or two passionate people to keep posting content regularly, even if it’s just links to articles. Be the change you want to see.
Typical onboarding scenario is to start at low level and climb up. Apply for helpdesk positions in companies with linux infrastructure. But the game is currently moving towards devops, so I would suggest you add some knowledge like ansible and terraform in your repertoire.