I am shocked by this - the quote in below is very concerning:
"However, in 2024, the situation changed: balenaEtcher started sharing the file name of the image and the model of the USB stick with the Balena company and possibly with third parties."
Generally Ventoy is better than both. Choose a dedicated flash storage, flash Ventoy to it, then click and drag as many ISO's as can fit on your drive and you can boot from any one of them at any time.