The Simpsons has been doing cutaways and celebrity impressions since the beginning. Have you checked some season 3 or 4 or 5 episodes lately? Seth MacFarlane has even admitted that he took the cutaways from the Simpsons and amped up the use of them.

Prepare to be more relieved then, Seth MacFarlane is guest voicing on the Simpsons in season 25's premiere episode