What are some of the best techniques to shut down those who protest against landlords who want to charge high rates in a neighborhood facing gentrification?

They also memorialized my account when I protested them not memorializing my mother's or my uncle's who have both passed away. 

If the default is not cured ten days after notice, Borrower and each surety, endorser, and guarantor waive all demand for payment, presentation for payment, notice of intention to accelerate maturity, notice of acceleration of maturity, protest, and notice of protest, to the extent permitted by law, and rights under sections 51.003, 51.004 and 51.005 of the Texas Property Code.

Also one can protest their property taxes fairly easily.

If not, even though you are a re pro, losses are passive & deductions are limited.There are 7 scenarios that will qualify as material, and you only need to meet one:*500 hours*Substantially all participation*> 100 hrs and at least 1/2*Significant participation*5/10 years*Personal service activity w participation in last 3 years*Continuous participationTo materially participate, you must be involved in the operations of the activity on a regular, continuous, and substantial basis.Once you pass the pro test, the material participation often comes along for the ride.You can elect to aggregate all rental real estate for purposes of measuring material participation under Sec. 1.469-9(g).Your time spent on all your rental properties (STRs don't qualify) counts as one activity, making it easier to materially participate.In order to make a strong case with your CPA and the IRS you need to document your hours.Best practice is an hours log where you are as specific as possible.

I was hoping to get other owners to join me in protest but no one seems interested. 

those peaceful protesters are really something.

There are numerous property tax protest companies in Texas.  

"The lady doth protest too much, methinks" If you have anything of substance to add to this discussion and show the flaws in the logic or arguments I present to support my position, please don't hesitate to tag me.  

It's common when you do these water payments that a few will pay the rent but not the water bill in protest.