Statically speaking this season, Suarez has put up better numbers. Then again, I don't buy into Suarez at 34 being this good all of a sudden and like this moving forward. I still would take Miller over him. Miller is still only 26 and his K/9 is far superior. BB/9 is a bit on the higher side in comparison to last season.
If Suarez repeats this season again and shows this form over 2-3 seasons in a row, then sure!
Suarez vs. the Dodgers this season: 7.36 ERA with 2 losses. Small sample size yes, but it seems like the Dodgers have his number and we know when it comes to closers, physiological factors can definitely be at play.
Also, never said anything bad about the Padres bullpen. Though sure, put words into my mouth in order to fit your narrative and for something for you to argue about!