If the malicious nodes are properly participating in the network, shouldn't it be a net positive for I2P?
I don't expect them to be traffic-heavy, if it's just the control plane.
The article is vague, but another downside to the proliferation of "smart" home appliances?
That is disingenuous.
It is a downside to the proliferation of poorly secured devices. Your nebulous statement could be applied to anything.