Content Blocking Content Library thumbnails

[Savate]

(Note: have searched the forum for relevant advice but no luck)

I have owned several Kindles over the years. I have always been a bit annoyed by the fact that no matter if sync is disabled (two ways I know about) I cannot prevent Kindle from downloading dozens of thumbnails from my Amazon content page (350+). These just add clutter to my library and when dealing with a lot of books - including sideloaded ePub conversions - my Kindle library gets bit more frustrating to manage.

SO, no matter that Sync is off thumbnails are always retained (it seems some level of sync remains active). Similarly if I connect directly to PC with USB and delete the contents via File Explorer the thumbnails reappear!

I have also tried to use the Kindle without registering my Amazon account but that simply degrades overall functionality - e.g.no Wikipedia or translation.

I understand this behaviour from a marketing viewpoint, but it is not all that user friendly ... a bit 'in your face'.

Question:

Is there a technique or setting that I am missing or do I just have to live with this (minor) annoyance?

Thanks for reading - grateful for any advice (including 'just live with it'!)

[Frogm4n]

Have you set your Library filter to "Downloaded"?