After Tron Legacy and how it all looked too generic, overly clean, overly large and near-camp "circuit path traces" on the (generic looking) costumes, same old teal orange plop palette, and a plot that was nowhere near as intricate and nuanced (despite apparent simplicity) as the original*...
TL had good music, however, that made up for a lot. Ditto for a few of the special effects, but the novelty of CGI had existed in 1982 when it clearly does not nigh on four decades later.
I'll definitely give a look when the teaser is released since they always show the best bits and often at the expense of the whole story**, but today's writers will just gawk at jaywalkers drooling onto their tablets and forget about the universe running at 2.4 billion instruction cycles per second (GHz). Even the original didn't go into pedantry with what happens during each cycle, back when a CPU did only 1.79 million cycles per second... True, Tron was fantasy but it still balanced its own fantasy universe with real life concepts (computer circuitry, mainframe networks, (presumably) water pools being analogous to (presumably) tantalum capacitors, etc) and didn't go oink-wild with any of it. It's truly an underrated movie - and at the time it was not the biggest smash hit to ever be put on screen...

The novelty of "the shiny" did help create a cult following, obviously. And most stayed because the innovation upon "The Wizard of Oz" was cleverly done. And a sequel some time later would help bring in new fans if done right.
* The original kept the internal clock of the computer-world separate from the outer one, preventing the plot problem/temporal discontinuity that also plagues Star Trek's "Wink of an Eye" for the same reason. They probably had technology advisers back then since a lot of what was used was used within accurate definition, and anthropomorphization of.
** Which isn't new, look at ST3 TSFS and how it shows a full frontal of 1701 being blown to bits - it's not like they needed such visual fanfare to bring in the viewers, TWOK solidified that on its own... as if TSFS was the first movie to put in the money scene into a teaser, but I digress (again)...