Consoles:
1. Low entry price (as low as $200 to 500)
2. Simple to use (plug in and play)
3. No worries over drivers
4. Portable in some cases
5. Couch co-op
6. Simple OS focusing on media and games
7. Exclusives
PC:
1. Very versatile
2. Can settle for simplicity or max details/resolution
3. Not generational, so can play any game ever put on PC
4. No fee for online
5. Loads of sales on Steam
6. Can be used for work or other tasks
7. Keyboard+mouse or controllers can be used
Almost as if both exist for a reason...