That article says the exact opposite of what you are claiming. This is the lede paragraph:
"In December 2018, a leaked letter from the Kenyan auditor-general’s office sparked a rumour that Kenya had staked its bustling Mombasa Port as collateral for the Chinese-financed Standard Gauge Railway. Our new research shows why the collateral rumour is wrong."
IMF forces countries to adopt austerity politics[1], causing lower economic activity and often leading to economy shrinkage[2], and forces countries to open their markets to foreign capital, which leads to surplus extraction abroad. Both of those measures lead to impoverishing the country that is taking the loan.
