Are there many kinds of fruit or fruits

Are there many kinds of fruit or fruits

According to my experience, when you use fruits, kind of will appear, so this is the symbol of using fruits
Since we use the plural, of course we use are
The following is a copy of the example analysis, very good, please have a look
Transferred from Beijing No.4 Middle School
A:
When fruit means "fruit", it is a collective noun, using only the singular and not the plural
Fruit of the same kind or the result of the same thing
①I'd like to go and buy some fruit.
I want to buy some fruit
②Do you like fruit?
Do you like fruit
③I like to eat bananas,apples,pears and other fruits.
I like bananas, apples, pears and other fruits
④ The fruits of the earth
The fruits of our hard work
[note] we can only say a fruit shop, not a fruits shop
When fruit is the subject, the predicate should be in the singular form
①I advise you not to eat fruit that isn't ripe.
I advise you not to eat unripe fruit
②Green fruit is not good to eat.
Unripe fruit doesn't taste good