No. Politicians fear many things but not bitcoin. The anonymous structure of bitcoin makes it possible for criminal activities to carried out using bitcoin.
Yes you are right I think politicians have no fear of crypto currency the bitcoin because it has no harm for them, bitcoin is able to use for everything and it has no effect on their economy but it will improve their money safety, so if they are I think they should not be, apparently bitcoin does not have any effect to the community and it only use to increase everyone month for profit and security of income for long time.