Isn't it because that was PSG's own fault more than Real's brilliance? Real were outplayed in 3/4 halves of that PSG tie and PSG weirdly imploded in the last half - didn't look to manage the game, didn't take off their aged forwards who were no longer pressing.
In fact, it is not even certain that SMG has made a bid. Contrary to reports, it had not made one prior to Friday and attempts to find wealthy backers in Saudi were proving difficult - The Athletic