Reuters thinks it's because of a “rise of nationalist, anti-immigration politics with far-right wing parties” but in actuality, it's just good old-fashioned logic:
On Thursday, Turnbull said basic English would no longer be sufficient to become an Australian citizen under the new test.
Applicants need a minimum level 6.0 equivalent of the International English Language Testing System, and a person will only become eligible for citizenship after four years as a permanent resident, up from one year.
"What we are doing is strengthening our multicultural society and strengthening our values," Turnbull told reporters in Canberra. "Australian citizenship should be honored, cherished. It's a privilege."
Turnbull added, ”I reckon if we went out today and said to Australians, ‘Do you think you could become an Australian citizen without being able to speak English?’ They'd say, ‘You're kidding. Surely you'd have to be able to speak English.’”
The new test updates the old multiple-choice questionnaire which asked an applicant’s cursory knowledge of Australian laws, national symbols, and colors of the Aboriginal flag, the report states.Read more at TruthRevolt