That behaviour is natural because it you do not apply the parking brake before you place the trannie in park it will roll back/forward due to it being on an incline and jam up the transmission for want of a better term and that is why it is difficult to get it out of park again.Yes.
My first car had an automatic transmission and if it was put into park while on an incline it was very difficult get it out of park unless I applied the foot-operated emergency brake before releasing the service brakes when I parked the car.. Got into the habit regardless if the car was an auto or manual. Hand brakes make doing it much easier.
Or the opposite, my friend never used it on his Mustang. Cost $800 to get it all replaced because it rusted in the open position.I'm from the days back when if you used your e-brake, there was a 90% chance it would never release because the cable was rusted SOLID Good idea now though.