Just thinking....Mission or "Hub" Based Campaigns

so today on my youtube channel, I decided to talk about Hub missions or mission based campaigns. Where characters can go, rest up and get their objectives for that session day.

It works well for video games and why not for RPGs?

It allows players to drop in and out of games, and you don't have to constantly explain why a character is missing, when you can easily say they went off on a side mission or adventure..

Tell me what you think!