I am inviting comments OFF list if you do not agree my comments are valid here.
Flash is implying that you need that level of ADD/ADHD blinky/shiny/strobing attributes. While leaving a distinct unvoiced projection that web content NOT so "busy" is less desirable. And that alone would be potential grounds to shun Flash on general principle. Were it not for the sad truth that our world HAS become closer to a "Crack Baby" level of stimulation impairments. A combination of attention span between events at a historical low and expectations of video game response times from websites. Click and the picotimer is running. Fail to serve up events and you lose that person.
Which makes for Zeno races between soft/hardware and the broadband providers. What we used to access was thru 300 baud modems and even that buffered to a Usenet spool HD. And we had a vast number of intelligent discussion forums. Yes- there WAS a lot of crap infesting odd sub domains like Alt. and Soc. and some Rec.
But there was also a basic IQ test to participate. Flash etc is the polar opposing experience so to speak. Flat text Vs Animated embedded video. And while flat text is open to non sighted folks or semi-AI readers- Flash is a seeming deliberate disenfranchisement