Ah, ok, I was going to say, if the excess energy in heat was sufficient to explain the gravitational lensing, you'd have several problems. You're just pointing

Ah, ok, I was going to say, if the excess energy in heat was sufficient to explain the gravitational lensing, you'd have several problems. You're just pointing out that there are other significant anonymous things going on we don't understand. Until they are also explained, the solution is not a complete one.