Haven't seen this myself, but it's such a battery-murdering app. I can view full-HD video without the fan even making a sigh, but joining a Zoom meeting and tu

Haven't seen this myself, but it's such a battery-murdering app. I can view full-HD video without the fan even making a sigh, but joining a Zoom meeting and turning off everything except incoming audio makes the fan scream. What's going on? Is that app doing crypto-mining in the background?