Comparing John Hollands' position pre- and post-acquisition is irrelevant. The concern is do we, as a democratic and market economy, want government owned companies taking over more of our economy? Is it principled to let state-financed companies use their enormous resources to compete against our private sector with less resources? I think it's unfair and unprincipled. 

If the Chinese company was totally private, it would be a different question. I have no issues with Alibaba or Tencent expanding internationally, but state-owned companies are unquestionably politically-motivated. 

Would we let the Bank of China buy CIBC or National Bank? I would hope not. But you never know under the sinophile Trudeau.