Jurassic1 and Starship Troopers better CG than Black Panther

It's because of the DID. Dinosaur Input Device.
When it became clear cgi was going to be used for Jurassic Park instead of stop motion, Dennis Muren persuaded Spielberg that the stop motion animators hired for the film (lead by Phil Tippett) be kept as the lead animators. So, they constructed a device that let the stop motion animators do the animation with a mechanism that fed the motion into the computer.
If not for that, the animation would have aged badly because the CGI animators were trained in cartoon animation so they did not understand realistic motion the way the stop motion animators did.
That is why the CGI on Jurassic Park moves so realistically (except for the final scene which was done by the CGI animators), why the cgi on Dragonheart was so bad (Tippet and co. designed the dragon but did not animate the film), and why the CGI is so good on Starship Troopers-it (and I think the Lost World) were the last to use the DID.

Since then CGI animators have come from the squash and stretch world of 2d animation. Stop motion was more specialized.