Getting a reputation for not responding to or following up in a timely and professional manner to legitimate business matters is a sure-fire way to erode your credibility.
I’ve been ghosted so many times in my professional career that I should live in the Haunted Mansion and vacation at the Overlook Hotel. I’d feel at home in the presence of everyone from Banquo, Jacob Marley and Bloody Mary to Inky and Blinky, the Headless Horseman and Nearly Headless Nick.