Gingrich is a committed Republican who has been consistently supportive of Trump for years — but he has recently been warning Trump not to move forward with his ideas for mass deportation, telling him only his most hardcore fans want such a draconian policy and that the American people will turn on him quickly if the news is full of children and hardworking families being rounded up.
Newt is the old version of being a Republican nasty. Call it like 3.1 edition. And yes, he updated the dirty tricks and nastiness of the bygone versions.
The qons have iterated through several versions of Republican nastiness and are way beyond that now and most of them probably consider Newt a relic.