Minecraft on the switch is poorly optimized,And renders slow on start up and has lag spikes in game (If your using fancy graphics and max render distance) to clear up some issues possibly,Background recording should be disabled in favor of better processing since more resources from the CPU are being put into the game rather then recording.Other Games on the Nintendo Eshop like Super Smash Brother Ultimate And Fortnite have clip recording disabled so that it favors the performance of the game. Please Take this into consideration as it would help improve the game on switch by having more resources in processing.This would also affect future updates if adding more to the game without optimizing the rest to make it a great experience would hurt performance even more.