Bam is a much better defensive player than Timelord. Also significantly better ball handler and passer. Miami uses him as the fulcrum of their offense.
TL is a better passer. TL is a passing savant.
Bam is a top 5 passing big man
Until last year Adebayo was also only averaging 2 assists per game. And on higher usage.
Don't forget that Timelord lost a lot of court time due to injuries. In terms of experience he's basically a second year player.
Because Adebayo is a better dribbler and ball handler, he'll have more opportunities to display his playmaking ability.
However if we simplify it to just court vision and passing ability the eyetest tells me that Timelord's passing is quite special.
There are similarities in their situations. Adebayo was an intriguing young big man gifted with physical attributes who was drafted without huge expectations, but he showed he had more skills than were on display during his college days. He came from the bench on a good team behind an overpaid center with a reputation (Whiteside = Thompson) and eventually Miami had to make a move because it was clear that Adebayo was ready to take over the starting spot.