OBS SCALING

So im streaming at 720p 30fps and my base canvas is 1440p and my webcam is 720p 30 should i add any sharpening to my display capture? or is the scaling fine by itself? any possible tips to help with blocks or scaling issues? should i set by base canvas to 720 and realign everything? just me rambling on about questions any inputs are appreciated dont be afraid to tell me im wrong :)