Is decline bench press useless?

There's no doubt that the bench press is a legendary exercise, but even the most fabled legends aren't perfect. ... Like a flat bench, a decline bench press has the potential to build both upper body power and muscle, but it doesn't recruit key shoulder muscles and it may even cause shoulder strain.

Do bodybuilders do decline bench?

Although the decline bench at your gym may have cobwebs on it from being left alone for so long many bodybuilding and fitness experts recommend doing this exercise if you want to achieve greater pectoral development because they feel it focuses on the chest more than its flat or incline counterparts.