Why removing stopwords is not always a good idea?

Stop words really matter in text p reprocessing problem but when it comes to sentiment analysis, stop words can create a lot of problems. It can change the meaning of a sentence bringing it to positive from a negative or vice versa. In such case, stop-words can affect the performance of a model when we are looking for a sentiment analysis. So it is not always wise to remove stop-words and they heavily depend on what problem we are trying to solve or the model we build.

From the above sentences, let us remove the stop word and see what happens