If the choice is between (1) Evans, (2) some random undrafted player, or (3) no one, then I'd take the flyer on Evans. Certainly would be far down the list of choices, but better than just some random guy or no one.
I think there are a fair number of random guys who could offer a fair bit more than Tyreke. People are just remembering his good October-December
2017. Once the calendar turned to 2018, he was the regular Tyreke, shooting under 35% from 3, chucking up a bunch of long 2s, and being generally inefficient. That carried over to the following year, his last in the NBA, when he put up a sub-Smartian .483 TS%, a 1.5:1 assist-to-turnover ratio, and meh defense. That was at age 29. Fast forward 3 years, now he's 32, having not played organized basketball in 34 months. There are G-Leaguers who are more ready, more worthy, and better. I'm sure of that.