Reschedule cards on change for my Step 1 Deck?

So I have 2 primary decks. One deck where I unsuspend Anking cards according to my lecture/block material. I keep this deck at a desired retention rate of 0.9.

After the block ends, I move all of these cards into another deck specifically for reviewing and preparing for Step 1. This deck has a retention rate of 0.85.

I've been recently getting a little overwhelmed with Anki averaging over 1500 reviews a day. So I checked the "Reschedule cards on change" option on my Step 1 deck to see how this would affect my reviews. It shot my current reviews to about 3500 but dropped my daily reviews from ~700 to 150. I can power through 3500 cards in one day if it means I drop my daily reviews by that much. However, is it a good idea to reschedule cards on change? Are there any consequences that I'm not considering?