I run a floor less and find it kind of funny to think a floored shelter will protect from snakes. do you really think that thin piece of material will stop a bite? How about waking up in a nest, and there is a snake in your area. What is the plan, your going to move to the back of the nest your zipped in to and wait until it leaves?
I have had 0 issues but since I live in snake country, there are things we just always do. Don’t put your tipi on a site with tons of holes in the ground. Turn your boots upside down or hang them. Always poke your head in and check first, or when running a tent, tip one side up to check under.
nit sure if this is true.... internet PhD here, but a guy once told me that he was on a white water / camping adventure. He came back to his tent and tucked in for a mid day nap. Said that he felt something under his feat, that was like balled up moving socks. When he pulled his feet back, he saw a snake was under his tent. He left the tent and cleared away. He did not get bitten, but that’s always stuck with me.