Enforcing House Rules for Guests Without Coming Across as a Stick

We just hosted my brother in-law and his wife from another country for a week. We have a baby and live in a small 2 bed 1bath apartment and have hosted guests before without issues since there's a baseline etiquette that's usually met. However my experience with the recent guests made me realize I can't expect everyone to have the same common etiquette. So I was thinking of printing out a list of house rules but am not sure how far I need to go or if I will come across as a demanding host.

Should I just assume everyone is a child and list everything offensive or just stick to the big things?

Examples of rules (these were all broken by my recent guests):

Turn on exhaust fan after using the shower and toilet

Close toilet lid before flushing. Literally no one does this and it feels wrong to tell adults they need to do this.

Hang towels to dry after use(they kept used towels on the floor in their room and went through all my clean towels after 3 days)

Clean up after yourself (they did a lot of shopping and left shopping bags, receipts, packing tissues, and boxes everywhere)

Put dishes in the dishwasher (this is hard to enforce since most don't know how to load a dishwasher and just insist on handwashing. So we just clean up after them)

Help with meal prep or at least help yourself (they just stay in their room until it was time to eat)

Needless to say the experience with my recent guests was not pleasant but it has made me aware of things I could do to be a better guest to my host.