For small teams it doesn’t have to be heavyweight. A risk register can be a simple doc with a few real risks and mitigations.
That said, I agree there’s a lot of theater. For smaller companies and budgets, it often turns into rubber stamping. Auditors rely on the evidence you provide, so the report can look much cleaner than day to day reality.
Still, it has value. It forces you to formalize basic practices, and if you want those customers, you’re signing up for that level of scrutiny.
In scenarios where the company REALLY REALLY wants to buy the SaaS, they often will invest in the company, one of the reasons for which being to ensure they have the resources to go through all the red tape.
CIS Benchmarks are worth a look too: They’re best practices for securing typical cloud platforms, SaaS and OS.
I had to have meetings with… myself, at times, for compliance reasons.