I'd say no, at least to start - there's an inherent cost in using a CMS a framework etc. If what you're building is simple enough that a flat file hosted on cloudflare etc, works, then start there.
Once you find you do have a need for something more complex (i.e. you have a team, want to give agents governed access etc), then it's pretty easy to go from a flat file to something more complex.
Once you find you do have a need for something more complex (i.e. you have a team, want to give agents governed access etc), then it's pretty easy to go from a flat file to something more complex.