True, but it's still only one side of the defense spectrum. If it were both, it'd be comparable.
252SpAtk, Neutral Nature, Sunny Day Fire Blast against Standard Blissey: 27.03% - 31.83%
252SpAtk, Positive Nature, Sunny Day Fire Blast against Standard Blissey: 29.65% - 34.74%
252SpAtk, Positive Nature, Sunny Day, Solar Powered Fire Blast against Standard Blissey: 44.33% - 52.18%
Not even a 2HKO.
252SpAtk, Neutral Nature, No weather Fire Blast against Standard Blissey: 18.02% - 21.22%Someone needs to do the damage calculations of a Solar Powered, Sunny Day 252SpA Fire Blast to a Blissey. I bet it would be a preeetty big chunk.
252SpAtk, Neutral Nature, Sunny Day Fire Blast against Standard Blissey: 27.03% - 31.83%
252SpAtk, Positive Nature, Sunny Day Fire Blast against Standard Blissey: 29.65% - 34.74%
252SpAtk, Positive Nature, Sunny Day, Solar Powered Fire Blast against Standard Blissey: 44.33% - 52.18%
Not even a 2HKO.