So now Firefox will become much slower due to per tab process overhead, just like Chrome, will pollute the task list with processes, and lose the enormous benef

So now Firefox will become much slower due to per tab process overhead, just like Chrome, will pollute the task list with processes, and lose the enormous benefits of it's fantastic extension model, all for some intangible security benefits? I've almost never had a security issue or crash on Firefox with a hundred tabs and maybe fifty extensions, it's still faster than chrome with 10 tabs.