Jews were already being 'Hellenized', with or without Antiochus. He was merely going to replace the fake 'Nobility' class invented by the Babylonians 'master race' nonsense. More Jews spoke and read Greek than Hebrew by then, Hebrew being reduced to a secret cult language among priests by then. The Ark was long gone from the Temple by then, they only purpose of the Temple biblically was to house the Ark, Solomon's Temple being a promise of David's; the 2nd Temple is only claimed by Haggai, a post-exilic 'prophet', and probably a false 'prophecy' made up to serve the Babylonians' scam.
“Haggai, the earliest prophet of the post-exilic restoration of Judah, is known, apart from this book, only from references made to him in Ezra. These show him as a contemporary of Zechariah, serving in Judah and Jerusalem. As a result of their joint ministry the work of rebuilding the Temple was resumed and completed (Ezr. 5:1; 6:14). Nothing is stated about the private life of Haggai and it is generally assumed that he was one of the main group of exiles who returned from Babylonia following the decree of Cyrus in 538/7 B.C., which allowed the rebuilding of the Jerusalem Temple. If so he would have witnessed the initial work then undertaken and the subsequent lapse of effort in the face of opposition. …