One of the champs may have a better idea of what CF specifically cares about, data usage wise. I would imagine the answer is it really depends vs other traffic you are using. Also, if the tunnel is proxying just html or videos like that clause is about.
I heard that some Indian ISPs were straight up blocking WARP and cf dns. There's a few topics on the community forum you can find about this. Making a free cloudflare zero trust team uses different endpoints that apparently aren't blocked, might be worth a try