you can peel strawberries or use a brush.
To be realistic, no one does that.
I have a hard time trying to explain to my friends about to need to properly check berries and I feel there is a lot of denial in our community in that regard.
We are all humans and forget, it would be beneficial for each community to make a yearly refresher class for Kashrut (and no only that, we do it for holidays and taharas mishapcha) why not for Kashrut as well.
As our kids starting being more active in the kitchen, they don't know anything, they just follow what the parents do.