It was a way to describe the psychotic heaviness of the sound and the alternative intstrumentation. Use of Synthesizers and Guitars created the foundry for this style of angry emotion laden music. Bands like Kraftwerk and Coil attempted this type of thing but in the end failed and were forgotten. They too were forgotten. Because television has become a more powerful agent of control than any pop music song, the use of MTV made industrial what it is today.
Commercialism is a large part of the capitalist industrial aura.
Many bands would incorporate the use of curse words in their lyrics. Many people did not like this. Bands like Gravity kills and Stabbing Westward would portray imagery of pain and angst in some of their songs. This was known to 'rock' the foundations of 90's contemporary music. As compared to their contemporaries, Marilyn Manson and Gravity Kills, their production values were not nearly polished enough to keep the attention of true fans of the genre.