The reason is because better ones have been developed, not because the old ones are "broken". Breaking algos is now a matter of computer flops spent, not clever

The reason is because better ones have been developed, not because the old ones are "broken". Breaking algos is now a matter of computer flops spent, not clever hacks being discovered. When the flops required to break an algo exceed the energy available on the planet, items are secure beyond any reasonable doubt.