I just tried this and talk about Bloat… All I want from AIS is security, I do not need it deciding which Aps I have on Windows 10 that are not necessary. I know which ones they are. I do not need AIS to boost my Performance in any way with the exception of have it stop slowing me down. I would rate this a D-
I’m sure by now you know how to remove unwanted features…hence it becomes un-bloated 
Yes I do, it seems to work great.
Yes, as a matter of fact, Avast is one of the few (the only one I know of) that has this range/selection of installation security options/modules…from streamlined with only Shields installed to ‘fully loaded’ with all modules installed.