Pretty much all the Vegetables and stuff was so much better back in the days ....
I am a total Potatoe freak but at one point when my Favorite Brand was forbidden as the big Licensing companies didn't allow anyone anymore to plant them I started to hate the taste of these "new" white potatoes they sold at most supermarkets.
It got slighly better again and my former favorite brand is allowed again after fans fought for it many many years so now sometimes at the towns market I buy the good ones even though they are 2-3 times as expensive, still worth it.
(brand is called Linda and was one of Germanys favorite brands many years ago till it got forbidden most people here loved it withouth even knowing its name XD)
Same with Apples ... some of them (same brand) taste so horrible nowadays, funny enough I had one batch which was surprisingly delicious but the next batch my supermarket got tasted like nothing
About Tomatoes, in my Local towns marked they have 2 stalls with more then 60 different kinds of tomatoes and even though I don't eat them my gf said there are some really good ones.