That is always a bad sign.
A good bud of mine is the producer of Vikings on History. Many years ago, some dude did the same for his pilot and everyone in the room was quiet, as he “explained” to the room full of tv guys, him included (he was pitching some other show and made a pilot too). It was david Chase, explaining to Fox guys, that his show Sopranos was about a mafia guy with some issues. At least that worked VERY WELL in the end.