I don't have a problem with any of them. I would say all are spot on.
My boys do those chores and more...they are 4 and 7. What kind of chemical do you think you need for a bathroom? I use all natural cleaners - by Watkins. Spray down the sink/faucets, toilet, etc. Then wipe. Not a big deal. Sweep floor, mop. Again, not a big deal. The things they can't reach, I do. Dh and I take turns on scrubbing the tub. They are just as responsible (if not more so...boys are gross

) for the mess in the bathroom.
My 7 year old sweeps and washes the kitchen floor. Both of them vacuum the whole house...no supervision needed.
They are starting to do dishes. The 4 year old isn't quite tall enough yet, but he puts away the dried stuff that is within his reach.
The 7 year old brings the dirty laundry basket to the top of the basement steps and DH or I bring it down. They help transfer the clothes to/from the washer/dryer. They put the soap in. Only they don't do is sort the clothes.
They are expected to put their laundry away and clean up any messes they make. Make their beds, dust, etc.
I expect that every single member of my house chips in to keep it clean. I don't make the messes myself...I am not cleaning them myself.
I would be totally ok with a letter like this coming home. Really....people are cranky about a teacher trying to help?
I especially love #'s 5 and 6. Those are what we live by in my house. It's not "more stuff" that makes you happy. It's being happy with the stuff you do have. And travel and reading are a HUGE part of our household. We spend more money traveling than anything else. I think it's an invaluable experience and I would give up just about everything else we have to be able to continue to show my kids new places/experiences.
I think it's sad that people are upset about this.
These are common sense things....and a lot of parents are lacking that sense these days. The teacher was probably setting out a reminder...that it's up to the PARENTS to raise their kids well. Here's a list of things to help you.