Many SaaS companies not only lack the ops experience needed to run their own infrastructure (which may be only problem of perception, for me running stuff on de

Many SaaS companies not only lack the ops experience needed to run their own infrastructure (which may be only problem of perception, for me running stuff on dedicated HW in colo center seems like less hassle than dealing with things like AWS) but also the common sense required to not over-engineer the scalability of their solution in the early phases (which falls squarely into the YAGNI teritory, as you can run surprisingly large stuff on two or three physical low-end 1U servers).