Вопрос: Отключить телеметрию и прочий сбор данных как можно у большего числа ПО?

Лучший ответ:
Зарезать доступ в интернет.
Причем не средствами самой ОС, а внешними по отношению к компьютеру средствами - на роутере или т.п.

Худший ответ:
Вот reg файл(Фишки с бранмауером):
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Windows Registry Editor Version 5.00 
;Copyright 2016 Trottle 
;This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3. 
;This program is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
;See  for more details. 
[-HKEY_CLASSES_ROOT\exefile\shell\FWc] 
[HKEY_CLASSES_ROOT\exefile\shell\FWc] 
"MUIVerb"="Set firewall rules" 
"Icon"="imageres.dll,102" 
"subcommands"=""
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\01] 
"MUIVerb"="block inbound" 
"Icon"="imageres.dll,100" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\01\command] 
@="cmd /q /c echo CreateObject(\"Shell.Application\").ShellExecute \"cmd\", \"/q /c chcp 1251 & netsh advfirewall firewall add rule name=\"\"%1\"\" dir=in action=block program=\"\"%1\"\" enable=yes | msg * \", \"\", \"runas\" > %%temp%%\\ev.vbs & cscript %%temp%%\\ev.vbs & del %%temp%%\\ev.vbs" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\02] 
"MUIVerb"="allow inbound" 
"Icon"="imageres.dll,101" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\02\command] 
@="cmd /q /c echo CreateObject(\"Shell.Application\").ShellExecute \"cmd\", \"/q /c chcp 1251 & netsh advfirewall firewall add rule name=\"\"%1\"\" dir=in action=allow program=\"\"%1\"\" enable=yes | msg * \", \"\", \"runas\" > %%temp%%\\ev.vbs & cscript %%temp%%\\ev.vbs & del %%temp%%\\ev.vbs" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\03] 
"Icon"="imageres.dll,100" 
"MUIVerb"="block outbound" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\03\command] 
@="cmd /q /c echo CreateObject(\"Shell.Application\").ShellExecute \"cmd\", \"/q /c chcp 1251 & netsh advfirewall firewall add rule name=\"\"%1\"\" dir=out action=block program=\"\"%1\"\" enable=yes | msg * \", \"\", \"runas\" > %%temp%%\\ev.vbs & cscript %%temp%%\\ev.vbs & del %%temp%%\\ev.vbs" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\04] 
"MUIVerb"="allow outbound" 
"Icon"="imageres.dll,101" 
"CommandFlags"=dword:00000040
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\04\command] 
@="cmd /q /c echo CreateObject(\"Shell.Application\").ShellExecute \"cmd\", \"/q /c chcp 1251 & netsh advfirewall firewall add rule name=\"\"%1\"\" dir=out action=allow program=\"\"%1\"\" enable=yes | msg * \", \"\", \"runas\" > %%temp%%\\ev.vbs & cscript %%temp%%\\ev.vbs & del %%temp%%\\ev.vbs" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\06] 
"MUIVerb"="Show firewall panel" 
"Icon"="imageres.dll,109" 
[HKEY_CLASSES_ROOT\exefile\shell\FWc\shell\06\command] 
@="mmc.exe wf.msc" 
; If you do not want to have uninstaller you can skip next part: 
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FWcSubMenu] 
"DisplayName"="'Set firewall rules' submenu" 
"DisplayIcon"="imageres.dll,102" 
"UninstallString"="cmd /q /c echo Windows Registry Editor Version 5.00>%TEMP%\\pr.reg & echo.>>%TEMP%\\pr.reg & echo [-HKEY_CLASSES_ROOT\\exefile\\shell\\FWc]>>%TEMP%\\pr.reg & echo.>>%TEMP%\\pr.reg & echo [-HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\FWcSubMenu]>>%TEMP%\\pr.reg & regedit /s %TEMP%\\pr.reg & del %TEMP%\\pr.reg" 
"DisplayVersion"="1.1" 
"URLInfoAbout"="habrahabr.ru/post/317802" 
"NoModify"=dword:00000001 
"NoRepair"=dword:00000001 
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