T-trains were already incredibly easy.
Something that required 5 minutes reading a thread to "learn" to do should never have been considered a primary skill.
Leveling the playing field by making everyone able to send them, including people with lousy internet, people who can't install a browser of their choice (common at workplaces), and people on mobile de
Sniping is also overrated, as is backtiming.
Stacking is, always has been, and always will be the preferred method to defend due to defense being massively superior to offense.