While I was dragged kicking and screaming to ebooks, I'm now a strong proponent for several reasons. Being able to adjust font size and brightness to accomodate vision problems was my initial reason for using an ebook. Then the restrictions of Covid made access to tangible books difficult. But it's the easy access to thousands of ebooks in libraries through Overdrive that's made me a devotee.
While I have a personal library of hundreds of mostly hardcover books (down now from a couple thousand) my finances and my home constrain my increasing that collection.
With my Kobo reader --which works flawlessly with Overdrive --I can browse the collections of the four library systems of which I'm a member -- including the entire state of Maryland, the wondrous Free Library of Philadelphia, and two additional counties. That's tens of thousands of ebooks, plus periodicals and audiobooks. And it's all free and accessible without travel.
That's not to mention Project Gutenberg -- 60,000 titles
Open Library - over 1.7 million free ebooks in various formats.
and Google Books -- Google has digitized millions of books from libraries around the world, and many of them are available for free on Google Books.
The Kobo will never replace the comfort and joy of a beautifully bound illustrated volume or the fun of a paperback stuffed in my coat pocket, but...