Very true. A bit like their acquisition of Hpshere - initially saying they would maintain, now saying all hsphere providers must 'inevitably' move to the new Automation platforms...
Modernbill will probably be no more than a very small host tool' within the next 9-12 months, altho some of it's nicer features might creep into PEM billing modules.
Monopolies are dangerous in any industry, and Paralels are certainly that now for the hosting industry.
Soon the only choice will be buy their products, or build your own.