The Me’am Lo’ez explains the invaluable benefit of taking the extra 10-15 mins of saying the korbanos an ketores.
In the Drashot of the Ben Ish Chai Halachot (the blue English book) parsha Vayechi gives 13 protective benefits of saying it.
If you say it enough times you will say it pretty smoothly. But the higher benefit is saying it slowly with intent. The Rashbi says we don’t appreciate what it can do, or we’d make a crown out of it.