For the same reason SaaS is popular in general: yes, you could get a VPS, install all the needed software on it, keep it up to date, oor you could pay a company to do all that for you.
This is a most excellent place for technology news and articles.
For the same reason SaaS is popular in general: yes, you could get a VPS, install all the needed software on it, keep it up to date, oor you could pay a company to do all that for you.