Though Tyson is hard on himself for his supposed ‘laziness’, Tyson is very lenient with others going at whatever pace they feel most comfortable with. Rome wasn’t built in a day and pushing too hard can cause everything to come crashing down.
Even as he chastises himself for being lazy, for not giving it his all at every moment in every aspect of his life, Tyson is very aware that he’s pushing himself too hard. He knows that he’s burning the candle at both ends, and trying to ignite the middle too, but he simply can’t help himself. Tyson was brought up to think he was worthless if he didn’t give everything he had.
The way his father treated him, and his own experiences with training - nurturing - service dogs, is why Tyson wants people to go at their own sustainable pace: to not burn so brightly, so beautifully, but ultimately get snuffed out. After all, our dear Icarus can’t sacrifice himself to a fallen sun now, can he?
Tyson knows that forcing a matter doesn’t always produce good work, that not everyone works best with their backs against a wall. He understands needing to take a break, to do better work on another day. He understands simply not having the mental energy for a task, and Tyson definitely understands wanting to do something but having a mental disability prevent it.
When it becomes to anyone other than himself, Tyson will never accuse someone of being lazy; outside of good-natured teasing with his friends, or animals. A lazy mutt is universally a lazy mutt, and adorable.