Changing the name of a product or company will not actually affect how the product works. Unless they change how their products works, the development won't change. However, sometimes adding blockchain to a name MAY create hype that may drive up share prices.

Very similar to the situation during the tech bubble in '99-'00 when companies would add a dot com to their name and their stock would double. It goes without saying this isn't healthy for the market and the regulators would definitely keep an eye out on such activity. Adding blockchain to their names is a joke - they don't actually do anything different.