This is likely more about La'el having played incredibly little over the past year and a half than about sending a message.
Because he's an infinitely better player than Terence Steele.
Not if he's constantly injured or suspended for refusing to pee in a cup.
Well right now he's not injured and not suspended so he should start.
Maybe he wasn't in the physical condition that they wanted for him to start. Yeah he has more talent for sure, but if he gets winded after a series? Is his talent that much more superior? Steele has been doing a really good job at the spot.
Per the head coach he's in great condition and has been practicing great.
Now think of another reason why they should put a vastly inferior player on the field instead.
Punishment.