They never had any meaning. They’re merely HR devices to make you feel like you’re making progress up the ladder in spite of meager increases in pay. They aren’

They never had any meaning. They’re merely HR devices to make you feel like you’re making progress up the ladder in spite of meager increases in pay. They aren’t even portable across companies. The only thing that matters when you move to another company is $$$ you made in your previous job. That determines what “title” they are going to assign if they want to hire you.