The adage "An attorney who represents himself has a fool for a client" has some relevance, but in the information society self represeration can have major advantages. The best way to be a Pro Se is to hire outside counsel to advise you, but to do all the dirty litigation work yourself. If this company has hired an outside attorney to litigate, this person could make that a very, very expensive proposition for them.…
This is terrible advice. Unless you're a duly licensed attorney in OP's jurisdiction, don't offer legal advice. You're practicing law without a license, which is a crime. Moreover, were OP to rely on that advice to his detriment, you may find yourself named as a defendant in a civil suit.