Most comments discuss the possible implications as if Mimble Wimble, (MW) as abrreviated in Lite coin, but what is discussed in the paper there are other Zero Knowledge solutions that allow hiding the UTXO values and doing the necessary checks at the same time
(inputs-outputs=fee)AND (each UTXO<overflow value)

-Also, they discuss Monero as another example; ie, not just Lite coin
.
Other comments on ur comments:

-I don't think nothing will change for the UTXO set, nodes probably will just store the encryption of those UTXOs instead of the plian UTXO, and verify according to the Zero Knowledge scheme used.

-You guys talk about what if there were side chains in Bitcoin, aren't there already side chains and L2 solutions in Bitcoin?!
How do you then describe Liquid shown in one of the comments?

https://www.blockstream.com/liquid/
https://help.blockstream.com/hc/en-us/articles/900001390743-How-does-Liquid-keep-my-transaction-data-confidential-