[itcodes]

It takes longer to parse. The same way "Wht r u talking abt" takes longer to parse than "What are you talking about". The former requires my brain to do several extra lookups before I arrive at the meaning. I would rather just type the extra characters for the words Column and Large.

[wvenable]

After you've typed a thousand of these things your brain will just be doing a single lookup. From a newbie perspective, your opinion has merit but for long-term use it makes less sense.

[nailer]

Long term, making sure people use proper names for things is a great to make sure people are writing code for others to read.