Is the Scott W. Harden Sound Card ECG not already an outdated concept in the year 2026?

Who still uses PC soundcards when the ADS1115 chip only costs a view dollars? We have already an instruction to connect the AS8232 ECG chip to the Arduino:

The ADS1115 is not yet in the above instruction. And contemporary instructions use an ESP32 chip for a real time system:

https://github.com/sankuwasfound/EEG-Real-Time-Detection-using-ADS1115-and-AD8232/blob/main/README.md

The ADS1115 16-Bit-Analog-Digital- Converter with Arduino, ESP8266 und ESP32 is such a great chip:

ESP32 chip und InfluxDB are still to complicated for my purpose.

With Raspberry Pi s we had so many issues in the past. So why not to choose an Arduino instead?

And the AD8232 ECG, ADS1115 16 bit A/D converter and an Arduino are the building blocks of a 4 channel physiological multi-sensor device for medical and research grade applications, as I have described it here:

Which physiological multi-sensor device will I have in 10 years from now – a 3 Channel Gold Standard ECG Device with a Spirometer Using an AD8232, ADS1115 & Arduino

Arduino seem to be an outdated concept. Here are the alternatives:

Are Arduinos as dead a single board computers & if so what are the alternatives?