I'm not sure how anyone could recommend DVDs in this day and age, with the exception of titles not released on Blu-ray or maybe if watching them on a sub 32" TV screen. The only DVDs I still possess are the Lord of the Rings Trilogy (extended edition) and the Omen Trilogy as I like the packaging. Blu-rays look very good on my 4K 55" TV; 4K Blu-rays look better but they are expensive so I'm more selective. I estimate that I have over 120 titles, in total.
I have Netflix and Amazon. I will not subscribe for another streaming service. I already have more than enough content. I don't expect a series or film to remain on a streaming platform indefinitely. If I really like a series or film, I'll buy it on Blu-ray. It's too bad that HBO have their own streaming service as they produce some of the best shows.
I don't consider discs to be archival. They don't last forever, I could always backup my discs on my PC though.