I have two suggestions about the use of Linked Lists in filters:

Suggestion 1. If I use a parent list in the criterion, the criterion of a linked list should show me only the values that are related to the parent list value.
For example, I have two fields
Feature - values A, B
Sub Feature - values (A) 1,2 ; (B) 3,4
If my first criterion is "Feature is A", and I start to create criteria "Sub Feature is..", then the dropdown list should show me only values 1,2. Currently it shows 1,2,3,4

Suggestion 2: If I use the Auto Filter with two levels (Child auto filter) , when fields I choose are Parent List and Linked List, then the only Auto Filters that should be created are those whose values have connections between them.
From previous example:
I have Auto Filter Feature with Child Auto Filter Sub Feature
I need to see Auto Filters:
- By Feature :a
- By Sub Feature :1
- By Sub Feature :2
- By Feature :b
- By Sub Feature :3
- By Sub Feature :4

Currently I see:
- By Feature :a
- By Sub Feature :1
- By Sub Feature :2
- By Sub Feature :3
- By Sub Feature :4
- By Feature :b
- By Sub Feature :1
- By Sub Feature :2
- By Sub Feature :3
- By Sub Feature :4

Hope it's clear!