Original sentence: As of yet the performers are not professionals but this may change if the events grow in popularity.The bull is not visibly harmed.These events may grow in popularity as they are less objectionable to the general public and they are less costly to produce as there are no horses, fancy dresses and other costly items.They perform jumps and other acrobatics using no capes or any other distraction
Edited sentence: As of yet the performers are not professionals but this may change if the events continue to grow in popularity.It is probable that these events will continue to grow in popularity as they are less objectionable to animal rights advocates and they are less costly to produce as there are no horses, fancy dresses and other costly items.The bull is not harmed in any way.They perform jumps and other daring acrobatics using no capes or any other distraction