The countless remaining docks support Thunderbolt 4, which at 40 Gb/s is still twice as fast as USB-C 3.2 Gen 2x2.
Awesome. But what I think is ideal is having multiple ports which, in addition, would give you more bandwith, more reliability and more flexibility than a single high bandwidth hub.
The only cable that comes with a MacBook Pro is a USB-C charging cable.
You misread. I was referring to the cables the devices you use with your laptop come with.