What do we react to

Here I copied other formulations that summarize the problem and explain why we are against this change.
http://bjarneh.at.ifi.uio.no

Funding research

A public research institution should not buy software which:
  1. Violate open standards
  2. Has poor performance
  3. Has closed source/protocols (vendor lock-in)
  4. Gives unfair advantage to one company
  5. Is worse than our current (free) software
  6. Is incompatible with most client software
  7. Is incompatible with our server software
  8. Is expensive and irremovable once installed
when there are other/better alternatives available.
Another, sent to the mailing list, is:

Arguments used to counter the Exchange solution can be summarised as

Most of these points pertain to the process rather than the technical choice.
An even shorter version of why this Exchange change is ill-founded:
Compiled by Diana Santos,
ILOS, HF, NT 711
Last modified: 27 May 2013.