This is because the law now guarantees minimum service on public transport and in schools on strike days, and workers who down tools are no longer paid.
Clerics called a national strike on December 31st to oppose a change in the law; whether out of support for the fundamentalists, or out of fear, it was widely observed.
Most implementations (hw or sw) assume code inside a transaction is single-threaded, but isolation and parallelism are orthogonal (and Amdahl’s Law will strike with manycore)