Intel has had Saturday work permits for years
It appears, however, that some Orthodox groups have decided protest and even riots are how to hang onto political power -- or gain more. The English-language Jerusalem Post often covers this. Search there for "haredi" or "haredim".
A 13 November article about Intel's troubles, "Barkat voices his support for Intel" by Judy Siegel and Abe Selig, says,
While government permits are required for companies to employ Jews on Shabbat, the original Fab 8 facility had such permission from the outset. When it closed for renovations two years ago, the Ministry of Industry, Trade and Labor permit was no longer necessary, but negotiations to renew it are considered by management as a formality that will not be rejected.