There are many reasons why the current status quo won't change so soon and an important one is because ARM still lacks 64-bit addressing. Servers have long made the jump to 64-bit, so has most of the consumer-grade computers.
Without 64-bit support from its competitors, Intel doesn't have much to fear, especially in the datacenter space, where performance per watt is a powerful selling point.
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There are many reasons why the current status quo won't change so soon and an important one is because ARM still lacks 64-bit addressing. Servers have long made the jump to 64-bit, so has most of the consumer-grade computers.
Without 64-bit support from its competitors, Intel doesn't have much to fear, especially in the datacenter space, where performance per watt is a powerful selling point.
ARMv8 64-bit instruction set architecture announced last month, designs due next year. When should Intel become afraid?
Absolutely never solely because of this. Intel makes ARM CPUs. It's a very important player in the ARM market.