Is AUTHOR wrong in the post ? POST : TL:DR at bottom

I share my dorm apartment with another guy.

I feel morally obligated to deal with the stack of dishes that is on the kitchen counter, but they are not mine. Before I start eating my meal I will clean up and put away (either into the dishwasher or drying rack) the things I dirtied, such as the pot or pan, spatula, etc. After I am done eating I will clean the plate/bowl/cup/glass and put it into the dishwasher and then put the dry pot/pan back into the drawer. I do this because it becomes harder once the food sticks to the plate/bowl/etc, and it is faster to clean and put away 4 things instead of 20 things. 

My roommate chooses to put whatever he has used into the sink/onto the countertop until he cleans them up at a later time. This often ends up with lots of dramatic sighs/huffs of annoyance from him, due to having to clean a large amount of kitchenware. I help out the odd time when it gets to be a large mess, it it is primarily him cleaning these large sink messes.

I do an objectively equal share of the emptying of recycling/garbage (I use less waste because I buy food in bulk and cook it), shoveling the sidewalk, buying necessities (detergent, toilet paper).

I am I the asshole here?

TL;DR - I do hare of chores except when it comes to dishes. I immediately put away my dishes while my roommate piles his up. Am I the asshole for not cleaning his pile up?