Siskel and Ebert had it right. The two critics were forced to
provide star ratings for their newspapers, but when they created
their own TV movie-reviews show, they famously boiled the whole
thing down to thumbs up and thumbs down. And they were critics who
reviewed hundreds of films a year! If it was good enough for them,
it’s good enough for the rest of us — and for the algorithms fed
by our sentiment.