Because all professional politicians want to grow the government. It's the business they're in. They've been growing it at twice the rate of the total economy, an expansion rate any private business would envy. Government is the most efficient wealth destroying mechanism ever invented so the expansion is inflating an unsustainable bubble that will collapse at some point. There will be a period when politicians will attempt to sustain their bubble business at all cost. History shows that means a militarized police state. We are seeing the start of that desperate period.
The best way to intimidate a captive population is not kill them, but kill their children. Dogs are the only family members Fedzilla can freely kill with no repercussions. The government hates dogs because they give citizens advance warning of approaching government workers.
Muslims, from the time of Mad Mo himself to today, also hate dogs because they warn of approaching danger.
SWAT team members are usually allowed to profiteer from forfeiture.
The reason the Spanish Inquisition was hated and feared was because it was funded by forfeiture. The Roman Inquisition was paid for by the Church.
Had Galileo been tried by the Spanish Inquisition he would have been tortured for profit by the same mentalities as are suited up in SWAT garb.