>>41654008They aren't terribly minmaxed like the other starters, in-fact, alongside with Kanto they were pretty much the most balanced starters statwise. Look at the difference of the highest base stat to the lowest.
Meganium: 20 (100 - 80)
Feraligatr: 27 (105 - 78)
Typhlosion: 31 (109 - 78)
Sceptile: 55 (120 - 65)
Blaziken: 50 (120 - 70)
Swampert: 50 (110 - 60)
Torterra: 53 (109 - 56)
Infernape: 33 (104 - 31)
Empoleon: 51 (111 - 60)
Serperior: 38 (113 - 75)
Emboar: 58 (123 - 65)
Samurott: 38 (108 - 70)
Chesnaught: 58 (122 - 64)
Delphox: 45 (114 - 69)
Greninja: 55 (122 - 67)
Decidueye: 37 (107 - 70)
Incineroar: 55 (115 - 60)
Primarina: 66 (126 - 60)
Rillaboom: 65 (125 - 60)
Cinderace: 54 (119 - 65)
Inteleon: 60 (125 - 65)
The problem is that Johto starters were the most balanced ones since the start, so they look weak when compared to other ones. Kanto solved this by giving them Megas, but Johto stayed the same.