If airplanes have made the world smaller and more homogenized just wait until we all get transporters.
And the tubes aren't vacuum. You have to walk, or scamper. A kid can probably ride his/her scooter really fast through them for fun.
No I haven't watched Legit, I am devoted to finishing every sci fi series ever and there just isn't room for modern stuff about modern life unless there are super powers in it like Misfits.