I find advice like “always use moisturiser under SPF, otherwise it’s like leaving the house in a raincoat with only underwear on underneath”.
Really, no. Totally depends on what my skin is doing that day. I would much rather someone like Jessica DeFino who advises you to properly get in tune with your skin and figure out what it does and doesn’t need each day and act accordingly. Some days my skin needs moisturiser as well as SPF. Some days it really doesn’t and it would be overload.
If it’s for a specific reason then say that - eg if it’s a good idea to have a barrier between your actives and your spf then great, maybe a primer could do the job instead.
CH overall message seems to be “don’t listen to your skin (or common sense) listen to ME” and that’s never a good sign. Especially when it amounts to needing additional products.