Yes, because unsubscribing or filtering an e-mail is significantly more difficult than hand-coding these templates...seriously, it's an e-mail address dude.
OP - really good stuff. I hope you do extremely well.
Thanks for the comment. If you would have read through the entire article, you would see fees mentioned in the "pitfalls" section.
I am glad you brought up the NBBO, as it is an extremely important regulation for newer traders to understand. However, the comment on mergers and consolidations still stands...just look at the Philly Stock Exchange: https://en.wikipedia.org/wiki/Philadelphia_Stock_Exchange
Thanks for the comment. I reiterated that it was not an apples-to-apples comparison for stock exchanges...but let's be honest. NYSE and Nasdaq are far and away the leaders.
Aboslutely agree on sending the orders off before someone else does. I mention that in the "pitfalls" section.
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OP - really good stuff. I hope you do extremely well.