Thats because many planners advise this strategy, claiming that...

Thats because many planners advise this strategy, claiming that super is a better place to put funds during accumulation phase, then use super to pay off the mortgage once retired.

Planners may be correct in suggesting this strategy for tax purposes, but the legislative risk to their clients is quite high.

If lump sum payment from super become banned one day, many peoples retirement strategy will be in tatters.