Its a matter of scale. My comments on the idea under discussion were that complete loss of a reactor wouldn't work for the target audience, nor would long-term, irrevocable radiation.I had gotten the exact opposite impression given your repeated statements that the latter would be insufficient and a persistence for a config for the former.
If you really are satisfied with improved containment, and a way to clean radiation in survival, then the conclusion has already been reached. Some containment implementation needs to be created, as does the cleaning, and a config to flatly disable meltdowns is not going to be added.
Sufficient?
However if, through difficulty, trial, cleverness and design a player could potentially segregate his reactor into isolated pieces, (four quadrants, etc), such that it was still a single reactor for the purposes of chain reactions, but you could conceivably lose a part without losing the whole, I'd be left without much grounds for argument. I don't know how you would conceive and implement a design where meltdowns are contained but neutrons are not. SCRAM-initiated barriers perhaps? Loss of efficiency perhaps? Both are good.
On the other hand, if you could only isolate the entire reactor itself from the environment, I'd consider it a battle lost for my personal goals, but still a boon to many players of many playing styles. In this case it wouldn't be a vindictive decision to not use the reactor, it just wouldn't work for my purposes. That said I'd be very happy for the experience it provides for current and future players and consider it a victory for the mod regardless of whether I personally played it.
On the contrary: I've said a few times that segregation and cleansing could work. You've stipulated the scenario perfectly, plasmasnake. I'm not disputing the merits of this idea, I'm correcting the detractors of the config idea.There is a roadblock here. How do you design it so that the risk allows the majority of players tackle it creatively, while they also do not google designs and do not experiment in creative mode? A step in the right direction is radiation containment and cleaning, which has been brought into this discussion and seems promising.