If your review has been primarily negative your should:
end negatively.
end positively.
end with a "performance gap."
end with a comparison to other products.
end positively.
It's important to try to end on a positive note, even if the overall review was negative. This could be by mentioning any potential improvements, highlighting a few positive aspects, or offering constructive feedback. Ending on a positive note can help maintain a sense of balance and fairness in your review.